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rockbox/apps/gui/gwps-common.c
Alexander Levin 8589fcb3e3 Merge the "Replaygain Off" option into the replaygain type; eliminate the "On/Off" setting (FS#10356). All WPS tags should work as before. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21414 a1c6a512-1295-4272-9138-f99709370657
2009-06-20 21:13:24 +00:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002-2007 Björn Stenberg
* Copyright (C) 2007-2008 Nicolas Pennequin
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "gwps-common.h"
#include "font.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "system.h"
#include "settings.h"
#include "settings_list.h"
#include "rbunicode.h"
#include "rtc.h"
#include "audio.h"
#include "status.h"
#include "power.h"
#include "powermgmt.h"
#include "sound.h"
#include "debug.h"
#ifdef HAVE_LCD_CHARCELLS
#include "hwcompat.h"
#endif
#include "abrepeat.h"
#include "mp3_playback.h"
#include "lang.h"
#include "misc.h"
#include "splash.h"
#include "scrollbar.h"
#include "led.h"
#include "lcd.h"
#ifdef HAVE_LCD_BITMAP
#include "peakmeter.h"
/* Image stuff */
#include "bmp.h"
#include "albumart.h"
#endif
#include "dsp.h"
#include "action.h"
#include "cuesheet.h"
#include "playlist.h"
#if CONFIG_CODEC == SWCODEC
#include "playback.h"
#endif
#include "backdrop.h"
#include "viewport.h"
#define FF_REWIND_MAX_PERCENT 3 /* cap ff/rewind step size at max % of file */
/* 3% of 30min file == 54s step size */
#define MIN_FF_REWIND_STEP 500
/* Timeout unit expressed in HZ. In WPS, all timeouts are given in seconds
(possibly with a decimal fraction) but stored as integer values.
E.g. 2.5 is stored as 25. This means 25 tenth of a second, i.e. 25 units.
*/
#define TIMEOUT_UNIT (HZ/10) /* I.e. 0.1 sec */
#define DEFAULT_SUBLINE_TIME_MULTIPLIER 20 /* In TIMEOUT_UNIT's */
bool wps_fading_out = false;
void fade(bool fade_in, bool updatewps)
{
int fp_global_vol = global_settings.volume << 8;
int fp_min_vol = sound_min(SOUND_VOLUME) << 8;
int fp_step = (fp_global_vol - fp_min_vol) / 30;
int i;
wps_fading_out = !fade_in;
if (fade_in) {
/* fade in */
int fp_volume = fp_min_vol;
/* zero out the sound */
sound_set_volume(fp_min_vol >> 8);
sleep(HZ/10); /* let audio thread run */
audio_resume();
while (fp_volume < fp_global_vol - fp_step) {
fp_volume += fp_step;
sound_set_volume(fp_volume >> 8);
if (updatewps)
{
FOR_NB_SCREENS(i)
gui_wps_redraw(&gui_wps[i], 0, WPS_REFRESH_NON_STATIC);
}
sleep(1);
}
sound_set_volume(global_settings.volume);
}
else {
/* fade out */
int fp_volume = fp_global_vol;
while (fp_volume > fp_min_vol + fp_step) {
fp_volume -= fp_step;
sound_set_volume(fp_volume >> 8);
if (updatewps)
{
FOR_NB_SCREENS(i)
gui_wps_redraw(&gui_wps[i], 0, WPS_REFRESH_NON_STATIC);
}
sleep(1);
}
audio_pause();
wps_fading_out = false;
#if CONFIG_CODEC != SWCODEC
#ifndef SIMULATOR
/* let audio thread run and wait for the mas to run out of data */
while (!mp3_pause_done())
#endif
sleep(HZ/10);
#endif
/* reset volume to what it was before the fade */
sound_set_volume(global_settings.volume);
}
}
bool update_onvol_change(struct gui_wps * gwps)
{
gui_wps_redraw(gwps, 0, WPS_REFRESH_NON_STATIC);
#ifdef HAVE_LCD_CHARCELLS
splashf(0, "Vol: %3d dB",
sound_val2phys(SOUND_VOLUME, global_settings.volume));
return true;
#endif
return false;
}
bool ffwd_rew(int button)
{
unsigned int step = 0; /* current ff/rewind step */
unsigned int max_step = 0; /* maximum ff/rewind step */
int ff_rewind_count = 0; /* current ff/rewind count (in ticks) */
int direction = -1; /* forward=1 or backward=-1 */
bool exit = false;
bool usb = false;
int i = 0;
const long ff_rw_accel = (global_settings.ff_rewind_accel + 3);
if (button == ACTION_NONE)
{
status_set_ffmode(0);
return usb;
}
while (!exit)
{
switch ( button )
{
case ACTION_WPS_SEEKFWD:
direction = 1;
case ACTION_WPS_SEEKBACK:
if (wps_state.ff_rewind)
{
if (direction == 1)
{
/* fast forwarding, calc max step relative to end */
max_step = (wps_state.id3->length -
(wps_state.id3->elapsed +
ff_rewind_count)) *
FF_REWIND_MAX_PERCENT / 100;
}
else
{
/* rewinding, calc max step relative to start */
max_step = (wps_state.id3->elapsed + ff_rewind_count) *
FF_REWIND_MAX_PERCENT / 100;
}
max_step = MAX(max_step, MIN_FF_REWIND_STEP);
if (step > max_step)
step = max_step;
ff_rewind_count += step * direction;
/* smooth seeking by multiplying step by: 1 + (2 ^ -accel) */
step += step >> ff_rw_accel;
}
else
{
if ( (audio_status() & AUDIO_STATUS_PLAY) &&
wps_state.id3 && wps_state.id3->length )
{
if (!wps_state.paused)
#if (CONFIG_CODEC == SWCODEC)
audio_pre_ff_rewind();
#else
audio_pause();
#endif
#if CONFIG_KEYPAD == PLAYER_PAD
FOR_NB_SCREENS(i)
gui_wps[i].display->stop_scroll();
#endif
if (direction > 0)
status_set_ffmode(STATUS_FASTFORWARD);
else
status_set_ffmode(STATUS_FASTBACKWARD);
wps_state.ff_rewind = true;
step = 1000 * global_settings.ff_rewind_min_step;
}
else
break;
}
if (direction > 0) {
if ((wps_state.id3->elapsed + ff_rewind_count) >
wps_state.id3->length)
ff_rewind_count = wps_state.id3->length -
wps_state.id3->elapsed;
}
else {
if ((int)(wps_state.id3->elapsed + ff_rewind_count) < 0)
ff_rewind_count = -wps_state.id3->elapsed;
}
FOR_NB_SCREENS(i)
gui_wps_redraw(&gui_wps[i],
(wps_state.wps_time_countup == false)?
ff_rewind_count:-ff_rewind_count,
WPS_REFRESH_PLAYER_PROGRESS |
WPS_REFRESH_DYNAMIC);
break;
case ACTION_WPS_STOPSEEK:
wps_state.id3->elapsed = wps_state.id3->elapsed+ff_rewind_count;
audio_ff_rewind(wps_state.id3->elapsed);
ff_rewind_count = 0;
wps_state.ff_rewind = false;
status_set_ffmode(0);
#if (CONFIG_CODEC != SWCODEC)
if (!wps_state.paused)
audio_resume();
#endif
#ifdef HAVE_LCD_CHARCELLS
FOR_NB_SCREENS(i)
gui_wps_redraw(&gui_wps[i],0, WPS_REFRESH_ALL);
#endif
exit = true;
break;
default:
if(default_event_handler(button) == SYS_USB_CONNECTED) {
status_set_ffmode(0);
usb = true;
exit = true;
}
break;
}
if (!exit)
{
button = get_action(CONTEXT_WPS|ALLOW_SOFTLOCK,TIMEOUT_BLOCK);
#ifdef HAVE_TOUCHSCREEN
if (button == ACTION_TOUCHSCREEN)
button = wps_get_touchaction(gui_wps[SCREEN_MAIN].data);
#endif
}
}
return usb;
}
bool gui_wps_display(struct gui_wps *gwps)
{
struct screen *display = gwps->display;
struct wps_data *data = gwps->data;
int screen = display->screen_type;
/* Update the values in the first (default) viewport - in case the user
has modified the statusbar or colour settings */
#if LCD_DEPTH > 1
if (display->depth > 1)
{
data->viewports[0].vp.fg_pattern = display->get_foreground();
data->viewports[0].vp.bg_pattern = display->get_background();
}
#endif
display->clear_display();
if (!data->wps_loaded) {
if ( !data->num_tokens ) {
/* set the default wps for the main-screen */
if(screen == SCREEN_MAIN)
{
#if LCD_DEPTH > 1
unload_wps_backdrop();
#endif
wps_data_load(data,
display,
#ifdef HAVE_LCD_BITMAP
"%s%?it<%?in<%in. |>%it|%fn>\n"
"%s%?ia<%ia|%?d2<%d2|(root)>>\n"
"%s%?id<%id|%?d1<%d1|(root)>> %?iy<(%iy)|>\n"
"\n"
"%al%pc/%pt%ar[%pp:%pe]\n"
"%fbkBit %?fv<avg|> %?iv<(id3v%iv)|(no id3)>\n"
"%pb\n"
"%pm\n", false);
#else
"%s%pp/%pe: %?it<%it|%fn> - %?ia<%ia|%d2> - %?id<%id|%d1>\n"
"%pc%?ps<*|/>%pt\n", false);
#endif
}
#ifdef HAVE_REMOTE_LCD
/* set the default wps for the remote-screen */
else if(screen == SCREEN_REMOTE)
{
#if LCD_REMOTE_DEPTH > 1
unload_remote_wps_backdrop();
#endif
wps_data_load(data,
display,
"%s%?ia<%ia|%?d2<%d2|(root)>>\n"
"%s%?it<%?in<%in. |>%it|%fn>\n"
"%al%pc/%pt%ar[%pp:%pe]\n"
"%fbkBit %?fv<avg|> %?iv<(id3v%iv)|(no id3)>\n"
"%pb\n", false);
}
#endif
}
}
else
{
#if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
if (screen == SCREEN_REMOTE)
show_remote_wps_backdrop();
else if (screen == SCREEN_MAIN)
#endif
#if LCD_DEPTH > 1
show_wps_backdrop();
#endif
}
return gui_wps_redraw(gwps, 0, WPS_REFRESH_ALL);
}
bool gui_wps_update(struct gui_wps *gwps)
{
struct mp3entry *id3 = gwps->state->id3;
bool retval;
if (cuesheet_is_enabled() && id3->cuesheet_type
&& (id3->elapsed < curr_cue->curr_track->offset
|| (curr_cue->curr_track_idx < curr_cue->track_count - 1
&& id3->elapsed >= (curr_cue->curr_track+1)->offset)))
{
/* We've changed tracks within the cuesheet :
we need to update the ID3 info and refresh the WPS */
gwps->state->do_full_update = true;
cue_find_current_track(curr_cue, id3->elapsed);
cue_spoof_id3(curr_cue, id3);
}
retval = gui_wps_redraw(gwps, 0,
gwps->state->do_full_update ?
WPS_REFRESH_ALL : WPS_REFRESH_NON_STATIC);
return retval;
}
void display_keylock_text(bool locked)
{
int i;
FOR_NB_SCREENS(i)
gui_wps[i].display->stop_scroll();
splash(HZ, locked ? ID2P(LANG_KEYLOCK_ON) : ID2P(LANG_KEYLOCK_OFF));
}
#ifdef HAVE_LCD_BITMAP
static void draw_progressbar(struct gui_wps *gwps,
struct wps_viewport *wps_vp)
{
struct screen *display = gwps->display;
struct wps_state *state = gwps->state;
struct progressbar *pb = wps_vp->pb;
int y = pb->y;
if (y < 0)
{
int line_height = font_get(wps_vp->vp.font)->height;
/* center the pb in the line, but only if the line is higher than the pb */
int center = (line_height-pb->height)/2;
/* if Y was not set calculate by font height,Y is -line_number-1 */
y = (-y -1)*line_height + (0 > center ? 0 : center);
}
if (pb->have_bitmap_pb)
gui_bitmap_scrollbar_draw(display, pb->bm,
pb->x, y, pb->width, pb->bm.height,
state->id3->length ? state->id3->length : 1, 0,
state->id3->length ? state->id3->elapsed
+ state->ff_rewind_count : 0,
HORIZONTAL);
else
gui_scrollbar_draw(display, pb->x, y, pb->width, pb->height,
state->id3->length ? state->id3->length : 1, 0,
state->id3->length ? state->id3->elapsed
+ state->ff_rewind_count : 0,
HORIZONTAL);
#ifdef AB_REPEAT_ENABLE
if ( ab_repeat_mode_enabled() && state->id3->length != 0 )
ab_draw_markers(display, state->id3->length,
pb->x, pb->x + pb->width, y, pb->height);
#endif
if ( cuesheet_is_enabled() && state->id3->cuesheet_type )
cue_draw_markers(display, state->id3->length,
pb->x, pb->x + pb->width, y+1, pb->height-2);
}
/* clears the area where the image was shown */
static void clear_image_pos(struct gui_wps *gwps, int n)
{
if(!gwps)
return;
struct wps_data *data = gwps->data;
gwps->display->set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
gwps->display->fillrect(data->img[n].x, data->img[n].y,
data->img[n].bm.width, data->img[n].subimage_height);
gwps->display->set_drawmode(DRMODE_SOLID);
}
static void wps_draw_image(struct gui_wps *gwps, int n, int subimage)
{
struct screen *display = gwps->display;
struct wps_data *data = gwps->data;
if(data->img[n].always_display)
display->set_drawmode(DRMODE_FG);
else
display->set_drawmode(DRMODE_SOLID);
#if LCD_DEPTH > 1
if(data->img[n].bm.format == FORMAT_MONO) {
#endif
display->mono_bitmap_part(data->img[n].bm.data,
0, data->img[n].subimage_height * subimage,
data->img[n].bm.width, data->img[n].x,
data->img[n].y, data->img[n].bm.width,
data->img[n].subimage_height);
#if LCD_DEPTH > 1
} else {
display->transparent_bitmap_part((fb_data *)data->img[n].bm.data,
0, data->img[n].subimage_height * subimage,
data->img[n].bm.width, data->img[n].x,
data->img[n].y, data->img[n].bm.width,
data->img[n].subimage_height);
}
#endif
}
static void wps_display_images(struct gui_wps *gwps, struct viewport* vp)
{
if(!gwps || !gwps->data || !gwps->display)
return;
int n;
struct wps_data *data = gwps->data;
struct screen *display = gwps->display;
for (n = 0; n < MAX_IMAGES; n++)
{
if (data->img[n].loaded)
{
if (data->img[n].display >= 0)
{
wps_draw_image(gwps, n, data->img[n].display);
} else if (data->img[n].always_display && data->img[n].vp == vp)
{
wps_draw_image(gwps, n, 0);
}
}
}
display->set_drawmode(DRMODE_SOLID);
}
#else /* HAVE_LCD_CHARCELL */
static bool draw_player_progress(struct gui_wps *gwps)
{
struct wps_state *state = gwps->state;
struct screen *display = gwps->display;
unsigned char progress_pattern[7];
int pos = 0;
int i;
if (!state->id3)
return false;
if (state->id3->length)
pos = 36 * (state->id3->elapsed + state->ff_rewind_count)
/ state->id3->length;
for (i = 0; i < 7; i++, pos -= 5)
{
if (pos <= 0)
progress_pattern[i] = 0x1fu;
else if (pos >= 5)
progress_pattern[i] = 0x00u;
else
progress_pattern[i] = 0x1fu >> pos;
}
display->define_pattern(gwps->data->wps_progress_pat[0], progress_pattern);
return true;
}
static void draw_player_fullbar(struct gui_wps *gwps, char* buf, int buf_size)
{
static const unsigned char numbers[10][4] = {
{0x0e, 0x0a, 0x0a, 0x0e}, /* 0 */
{0x04, 0x0c, 0x04, 0x04}, /* 1 */
{0x0e, 0x02, 0x04, 0x0e}, /* 2 */
{0x0e, 0x02, 0x06, 0x0e}, /* 3 */
{0x08, 0x0c, 0x0e, 0x04}, /* 4 */
{0x0e, 0x0c, 0x02, 0x0c}, /* 5 */
{0x0e, 0x08, 0x0e, 0x0e}, /* 6 */
{0x0e, 0x02, 0x04, 0x08}, /* 7 */
{0x0e, 0x0e, 0x0a, 0x0e}, /* 8 */
{0x0e, 0x0e, 0x02, 0x0e}, /* 9 */
};
struct wps_state *state = gwps->state;
struct screen *display = gwps->display;
struct wps_data *data = gwps->data;
unsigned char progress_pattern[7];
char timestr[10];
int time;
int time_idx = 0;
int pos = 0;
int pat_idx = 1;
int digit, i, j;
bool softchar;
if (!state->id3 || buf_size < 34) /* worst case: 11x UTF-8 char + \0 */
return;
time = state->id3->elapsed + state->ff_rewind_count;
if (state->id3->length)
pos = 55 * time / state->id3->length;
memset(timestr, 0, sizeof(timestr));
format_time(timestr, sizeof(timestr)-2, time);
timestr[strlen(timestr)] = ':'; /* always safe */
for (i = 0; i < 11; i++, pos -= 5)
{
softchar = false;
memset(progress_pattern, 0, sizeof(progress_pattern));
if ((digit = timestr[time_idx]))
{
softchar = true;
digit -= '0';
if (timestr[time_idx + 1] == ':') /* ones, left aligned */
{
memcpy(progress_pattern, numbers[digit], 4);
time_idx += 2;
}
else /* tens, shifted right */
{
for (j = 0; j < 4; j++)
progress_pattern[j] = numbers[digit][j] >> 1;
if (time_idx > 0) /* not the first group, add colon in front */
{
progress_pattern[1] |= 0x10u;
progress_pattern[3] |= 0x10u;
}
time_idx++;
}
if (pos >= 5)
progress_pattern[5] = progress_pattern[6] = 0x1fu;
}
if (pos > 0 && pos < 5)
{
softchar = true;
progress_pattern[5] = progress_pattern[6] = (~0x1fu >> pos) & 0x1fu;
}
if (softchar && pat_idx < 8)
{
display->define_pattern(data->wps_progress_pat[pat_idx],
progress_pattern);
buf = utf8encode(data->wps_progress_pat[pat_idx], buf);
pat_idx++;
}
else if (pos <= 0)
buf = utf8encode(' ', buf);
else
buf = utf8encode(0xe115, buf); /* 2/7 _ */
}
*buf = '\0';
}
#endif /* HAVE_LCD_CHARCELL */
static char* get_codectype(const struct mp3entry* id3)
{
if (id3->codectype < AFMT_NUM_CODECS) {
return (char*)audio_formats[id3->codectype].label;
} else {
return NULL;
}
}
/* Extract a part from a path.
*
* buf - buffer extract part to.
* buf_size - size of buffer.
* path - path to extract from.
* level - what to extract. 0 is file name, 1 is parent of file, 2 is
* parent of parent, etc.
*
* Returns buf if the desired level was found, NULL otherwise.
*/
static char* get_dir(char* buf, int buf_size, const char* path, int level)
{
const char* sep;
const char* last_sep;
int len;
sep = path + strlen(path);
last_sep = sep;
while (sep > path)
{
if ('/' == *(--sep))
{
if (!level)
break;
level--;
last_sep = sep - 1;
}
}
if (level || (last_sep <= sep))
return NULL;
len = MIN(last_sep - sep, buf_size - 1);
strncpy(buf, sep + 1, len);
buf[len] = 0;
return buf;
}
/* Return the tag found at index i and write its value in buf.
The return value is buf if the tag had a value, or NULL if not.
intval is used with conditionals/enums: when this function is called,
intval should contain the number of options in the conditional/enum.
When this function returns, intval is -1 if the tag is non numeric or,
if the tag is numeric, *intval is the enum case we want to go to (between 1
and the original value of *intval, inclusive).
When not treating a conditional/enum, intval should be NULL.
*/
static const char *get_token_value(struct gui_wps *gwps,
struct wps_token *token,
char *buf, int buf_size,
int *intval)
{
if (!gwps)
return NULL;
struct wps_data *data = gwps->data;
struct wps_state *state = gwps->state;
if (!data || !state)
return NULL;
struct mp3entry *id3;
if (token->next)
id3 = state->nid3;
else
id3 = state->id3;
if (!id3)
return NULL;
#if CONFIG_RTC
struct tm* tm = NULL;
/* if the token is an RTC one, update the time
and do the necessary checks */
if (token->type >= WPS_TOKENS_RTC_BEGIN
&& token->type <= WPS_TOKENS_RTC_END)
{
tm = get_time();
if (!valid_time(tm))
return NULL;
}
#endif
int limit = 1;
if (intval)
{
limit = *intval;
*intval = -1;
}
switch (token->type)
{
case WPS_TOKEN_CHARACTER:
return &(token->value.c);
case WPS_TOKEN_STRING:
return data->strings[token->value.i];
case WPS_TOKEN_TRACK_TIME_ELAPSED:
format_time(buf, buf_size,
id3->elapsed + state->ff_rewind_count);
return buf;
case WPS_TOKEN_TRACK_TIME_REMAINING:
format_time(buf, buf_size,
id3->length - id3->elapsed -
state->ff_rewind_count);
return buf;
case WPS_TOKEN_TRACK_LENGTH:
format_time(buf, buf_size, id3->length);
return buf;
case WPS_TOKEN_PLAYLIST_ENTRIES:
snprintf(buf, buf_size, "%d", playlist_amount());
return buf;
case WPS_TOKEN_PLAYLIST_NAME:
return playlist_name(NULL, buf, buf_size);
case WPS_TOKEN_PLAYLIST_POSITION:
snprintf(buf, buf_size, "%d", playlist_get_display_index());
return buf;
case WPS_TOKEN_PLAYLIST_SHUFFLE:
if ( global_settings.playlist_shuffle )
return "s";
else
return NULL;
break;
case WPS_TOKEN_VOLUME:
snprintf(buf, buf_size, "%d", global_settings.volume);
if (intval)
{
if (global_settings.volume == sound_min(SOUND_VOLUME))
{
*intval = 1;
}
else if (global_settings.volume == 0)
{
*intval = limit - 1;
}
else if (global_settings.volume > 0)
{
*intval = limit;
}
else
{
*intval = (limit - 3) * (global_settings.volume
- sound_min(SOUND_VOLUME) - 1)
/ (-1 - sound_min(SOUND_VOLUME)) + 2;
}
}
return buf;
case WPS_TOKEN_TRACK_ELAPSED_PERCENT:
if (id3->length <= 0)
return NULL;
if (intval)
{
*intval = limit * (id3->elapsed + state->ff_rewind_count)
/ id3->length + 1;
}
snprintf(buf, buf_size, "%d",
100*(id3->elapsed + state->ff_rewind_count) / id3->length);
return buf;
case WPS_TOKEN_METADATA_ARTIST:
return id3->artist;
case WPS_TOKEN_METADATA_COMPOSER:
return id3->composer;
case WPS_TOKEN_METADATA_ALBUM:
return id3->album;
case WPS_TOKEN_METADATA_ALBUM_ARTIST:
return id3->albumartist;
case WPS_TOKEN_METADATA_GROUPING:
return id3->grouping;
case WPS_TOKEN_METADATA_GENRE:
return id3->genre_string;
case WPS_TOKEN_METADATA_DISC_NUMBER:
if (id3->disc_string)
return id3->disc_string;
if (id3->discnum) {
snprintf(buf, buf_size, "%d", id3->discnum);
return buf;
}
return NULL;
case WPS_TOKEN_METADATA_TRACK_NUMBER:
if (id3->track_string)
return id3->track_string;
if (id3->tracknum) {
snprintf(buf, buf_size, "%d", id3->tracknum);
return buf;
}
return NULL;
case WPS_TOKEN_METADATA_TRACK_TITLE:
return id3->title;
case WPS_TOKEN_METADATA_VERSION:
switch (id3->id3version)
{
case ID3_VER_1_0:
return "1";
case ID3_VER_1_1:
return "1.1";
case ID3_VER_2_2:
return "2.2";
case ID3_VER_2_3:
return "2.3";
case ID3_VER_2_4:
return "2.4";
default:
return NULL;
}
case WPS_TOKEN_METADATA_YEAR:
if( id3->year_string )
return id3->year_string;
if (id3->year) {
snprintf(buf, buf_size, "%d", id3->year);
return buf;
}
return NULL;
case WPS_TOKEN_METADATA_COMMENT:
return id3->comment;
#ifdef HAVE_ALBUMART
case WPS_TOKEN_ALBUMART_DISPLAY:
draw_album_art(gwps, audio_current_aa_hid(), false);
return NULL;
case WPS_TOKEN_ALBUMART_FOUND:
if (audio_current_aa_hid() >= 0) {
return "C";
}
return NULL;
#endif
case WPS_TOKEN_FILE_BITRATE:
if(id3->bitrate)
snprintf(buf, buf_size, "%d", id3->bitrate);
else
return "?";
return buf;
case WPS_TOKEN_FILE_CODEC:
if (intval)
{
if(id3->codectype == AFMT_UNKNOWN)
*intval = AFMT_NUM_CODECS;
else
*intval = id3->codectype;
}
return get_codectype(id3);
case WPS_TOKEN_FILE_FREQUENCY:
snprintf(buf, buf_size, "%ld", id3->frequency);
return buf;
case WPS_TOKEN_FILE_FREQUENCY_KHZ:
/* ignore remainders < 100, so 22050 Hz becomes just 22k */
if ((id3->frequency % 1000) < 100)
snprintf(buf, buf_size, "%ld", id3->frequency / 1000);
else
snprintf(buf, buf_size, "%ld.%d",
id3->frequency / 1000,
(id3->frequency % 1000) / 100);
return buf;
case WPS_TOKEN_FILE_NAME:
if (get_dir(buf, buf_size, id3->path, 0)) {
/* Remove extension */
char* sep = strrchr(buf, '.');
if (NULL != sep) {
*sep = 0;
}
return buf;
}
else {
return NULL;
}
case WPS_TOKEN_FILE_NAME_WITH_EXTENSION:
return get_dir(buf, buf_size, id3->path, 0);
case WPS_TOKEN_FILE_PATH:
return id3->path;
case WPS_TOKEN_FILE_SIZE:
snprintf(buf, buf_size, "%ld", id3->filesize / 1024);
return buf;
case WPS_TOKEN_FILE_VBR:
return id3->vbr ? "(avg)" : NULL;
case WPS_TOKEN_FILE_DIRECTORY:
return get_dir(buf, buf_size, id3->path, token->value.i);
case WPS_TOKEN_BATTERY_PERCENT:
{
int l = battery_level();
if (intval)
{
limit = MAX(limit, 2);
if (l > -1) {
/* First enum is used for "unknown level". */
*intval = (limit - 1) * l / 100 + 2;
} else {
*intval = 1;
}
}
if (l > -1) {
snprintf(buf, buf_size, "%d", l);
return buf;
} else {
return "?";
}
}
case WPS_TOKEN_BATTERY_VOLTS:
{
unsigned int v = battery_voltage();
snprintf(buf, buf_size, "%d.%02d", v / 1000, (v % 1000) / 10);
return buf;
}
case WPS_TOKEN_BATTERY_TIME:
{
int t = battery_time();
if (t >= 0)
snprintf(buf, buf_size, "%dh %dm", t / 60, t % 60);
else
return "?h ?m";
return buf;
}
#if CONFIG_CHARGING
case WPS_TOKEN_BATTERY_CHARGER_CONNECTED:
{
if(charger_input_state==CHARGER)
return "p";
else
return NULL;
}
#endif
#if CONFIG_CHARGING >= CHARGING_MONITOR
case WPS_TOKEN_BATTERY_CHARGING:
{
if (charge_state == CHARGING || charge_state == TOPOFF) {
return "c";
} else {
return NULL;
}
}
#endif
case WPS_TOKEN_BATTERY_SLEEPTIME:
{
if (get_sleep_timer() == 0)
return NULL;
else
{
format_time(buf, buf_size, get_sleep_timer() * 1000);
return buf;
}
}
case WPS_TOKEN_PLAYBACK_STATUS:
{
int status = audio_status();
int mode = 1;
if (status == AUDIO_STATUS_PLAY)
mode = 2;
if (wps_fading_out ||
(status & AUDIO_STATUS_PAUSE && !status_get_ffmode()))
mode = 3;
if (status_get_ffmode() == STATUS_FASTFORWARD)
mode = 4;
if (status_get_ffmode() == STATUS_FASTBACKWARD)
mode = 5;
if (intval) {
*intval = mode;
}
snprintf(buf, buf_size, "%d", mode-1);
return buf;
}
case WPS_TOKEN_REPEAT_MODE:
if (intval)
*intval = global_settings.repeat_mode + 1;
snprintf(buf, buf_size, "%d", global_settings.repeat_mode);
return buf;
case WPS_TOKEN_RTC_PRESENT:
#if CONFIG_RTC
return "c";
#else
return NULL;
#endif
#if CONFIG_RTC
case WPS_TOKEN_RTC_12HOUR_CFG:
if (intval)
*intval = global_settings.timeformat + 1;
snprintf(buf, buf_size, "%d", global_settings.timeformat);
return buf;
case WPS_TOKEN_RTC_DAY_OF_MONTH:
/* d: day of month (01..31) */
snprintf(buf, buf_size, "%02d", tm->tm_mday);
return buf;
case WPS_TOKEN_RTC_DAY_OF_MONTH_BLANK_PADDED:
/* e: day of month, blank padded ( 1..31) */
snprintf(buf, buf_size, "%2d", tm->tm_mday);
return buf;
case WPS_TOKEN_RTC_HOUR_24_ZERO_PADDED:
/* H: hour (00..23) */
snprintf(buf, buf_size, "%02d", tm->tm_hour);
return buf;
case WPS_TOKEN_RTC_HOUR_24:
/* k: hour ( 0..23) */
snprintf(buf, buf_size, "%2d", tm->tm_hour);
return buf;
case WPS_TOKEN_RTC_HOUR_12_ZERO_PADDED:
/* I: hour (01..12) */
snprintf(buf, buf_size, "%02d",
(tm->tm_hour % 12 == 0) ? 12 : tm->tm_hour % 12);
return buf;
case WPS_TOKEN_RTC_HOUR_12:
/* l: hour ( 1..12) */
snprintf(buf, buf_size, "%2d",
(tm->tm_hour % 12 == 0) ? 12 : tm->tm_hour % 12);
return buf;
case WPS_TOKEN_RTC_MONTH:
/* m: month (01..12) */
if (intval)
*intval = tm->tm_mon + 1;
snprintf(buf, buf_size, "%02d", tm->tm_mon + 1);
return buf;
case WPS_TOKEN_RTC_MINUTE:
/* M: minute (00..59) */
snprintf(buf, buf_size, "%02d", tm->tm_min);
return buf;
case WPS_TOKEN_RTC_SECOND:
/* S: second (00..59) */
snprintf(buf, buf_size, "%02d", tm->tm_sec);
return buf;
case WPS_TOKEN_RTC_YEAR_2_DIGITS:
/* y: last two digits of year (00..99) */
snprintf(buf, buf_size, "%02d", tm->tm_year % 100);
return buf;
case WPS_TOKEN_RTC_YEAR_4_DIGITS:
/* Y: year (1970...) */
snprintf(buf, buf_size, "%04d", tm->tm_year + 1900);
return buf;
case WPS_TOKEN_RTC_AM_PM_UPPER:
/* p: upper case AM or PM indicator */
return tm->tm_hour/12 == 0 ? "AM" : "PM";
case WPS_TOKEN_RTC_AM_PM_LOWER:
/* P: lower case am or pm indicator */
return tm->tm_hour/12 == 0 ? "am" : "pm";
case WPS_TOKEN_RTC_WEEKDAY_NAME:
/* a: abbreviated weekday name (Sun..Sat) */
return str(LANG_WEEKDAY_SUNDAY + tm->tm_wday);
case WPS_TOKEN_RTC_MONTH_NAME:
/* b: abbreviated month name (Jan..Dec) */
return str(LANG_MONTH_JANUARY + tm->tm_mon);
case WPS_TOKEN_RTC_DAY_OF_WEEK_START_MON:
/* u: day of week (1..7); 1 is Monday */
if (intval)
*intval = (tm->tm_wday == 0) ? 7 : tm->tm_wday;
snprintf(buf, buf_size, "%1d", tm->tm_wday + 1);
return buf;
case WPS_TOKEN_RTC_DAY_OF_WEEK_START_SUN:
/* w: day of week (0..6); 0 is Sunday */
if (intval)
*intval = tm->tm_wday + 1;
snprintf(buf, buf_size, "%1d", tm->tm_wday);
return buf;
#else
case WPS_TOKEN_RTC_DAY_OF_MONTH:
case WPS_TOKEN_RTC_DAY_OF_MONTH_BLANK_PADDED:
case WPS_TOKEN_RTC_HOUR_24_ZERO_PADDED:
case WPS_TOKEN_RTC_HOUR_24:
case WPS_TOKEN_RTC_HOUR_12_ZERO_PADDED:
case WPS_TOKEN_RTC_HOUR_12:
case WPS_TOKEN_RTC_MONTH:
case WPS_TOKEN_RTC_MINUTE:
case WPS_TOKEN_RTC_SECOND:
case WPS_TOKEN_RTC_AM_PM_UPPER:
case WPS_TOKEN_RTC_AM_PM_LOWER:
case WPS_TOKEN_RTC_YEAR_2_DIGITS:
return "--";
case WPS_TOKEN_RTC_YEAR_4_DIGITS:
return "----";
case WPS_TOKEN_RTC_WEEKDAY_NAME:
case WPS_TOKEN_RTC_MONTH_NAME:
return "---";
case WPS_TOKEN_RTC_DAY_OF_WEEK_START_MON:
case WPS_TOKEN_RTC_DAY_OF_WEEK_START_SUN:
return "-";
#endif
#ifdef HAVE_LCD_CHARCELLS
case WPS_TOKEN_PROGRESSBAR:
{
char *end = utf8encode(data->wps_progress_pat[0], buf);
*end = '\0';
return buf;
}
case WPS_TOKEN_PLAYER_PROGRESSBAR:
if(is_new_player())
{
/* we need 11 characters (full line) for
progress-bar */
strncpy(buf, " ", buf_size);
}
else
{
/* Tell the user if we have an OldPlayer */
strncpy(buf, " <Old LCD> ", buf_size);
}
return buf;
#endif
#ifdef HAVE_TAGCACHE
case WPS_TOKEN_DATABASE_PLAYCOUNT:
if (intval) {
*intval = id3->playcount + 1;
}
snprintf(buf, buf_size, "%ld", id3->playcount);
return buf;
case WPS_TOKEN_DATABASE_RATING:
if (intval) {
*intval = id3->rating + 1;
}
snprintf(buf, buf_size, "%d", id3->rating);
return buf;
case WPS_TOKEN_DATABASE_AUTOSCORE:
if (intval)
*intval = id3->score + 1;
snprintf(buf, buf_size, "%d", id3->score);
return buf;
#endif
#if (CONFIG_CODEC == SWCODEC)
case WPS_TOKEN_CROSSFADE:
if (intval)
*intval = global_settings.crossfade + 1;
snprintf(buf, buf_size, "%d", global_settings.crossfade);
return buf;
case WPS_TOKEN_REPLAYGAIN:
{
int val;
if (global_settings.replaygain_type == REPLAYGAIN_OFF)
val = 1; /* off */
else
{
int type =
get_replaygain_mode(id3->track_gain_string != NULL,
id3->album_gain_string != NULL);
if (type < 0)
val = 6; /* no tag */
else
val = type + 2;
if (global_settings.replaygain_type == REPLAYGAIN_SHUFFLE)
val += 2;
}
if (intval)
*intval = val;
switch (val)
{
case 1:
case 6:
return "+0.00 dB";
break;
case 2:
case 4:
strncpy(buf, id3->track_gain_string, buf_size);
break;
case 3:
case 5:
strncpy(buf, id3->album_gain_string, buf_size);
break;
}
return buf;
}
#endif /* (CONFIG_CODEC == SWCODEC) */
#if (CONFIG_CODEC != MAS3507D)
case WPS_TOKEN_SOUND_PITCH:
{
int val = sound_get_pitch();
snprintf(buf, buf_size, "%d.%d",
val / 10, val % 10);
return buf;
}
#endif
case WPS_TOKEN_MAIN_HOLD:
#ifdef HAS_BUTTON_HOLD
if (button_hold())
#else
if (is_keys_locked())
#endif /*hold switch or softlock*/
return "h";
else
return NULL;
#ifdef HAS_REMOTE_BUTTON_HOLD
case WPS_TOKEN_REMOTE_HOLD:
if (remote_button_hold())
return "r";
else
return NULL;
#endif
#if (CONFIG_LED == LED_VIRTUAL) || defined(HAVE_REMOTE_LCD)
case WPS_TOKEN_VLED_HDD:
if(led_read(HZ/2))
return "h";
else
return NULL;
#endif
case WPS_TOKEN_BUTTON_VOLUME:
if (data->button_time_volume &&
TIME_BEFORE(current_tick, data->button_time_volume +
token->value.i * TIMEOUT_UNIT))
return "v";
return NULL;
case WPS_TOKEN_LASTTOUCH:
#ifdef HAVE_TOUCHSCREEN
if (TIME_BEFORE(current_tick, token->value.i * TIMEOUT_UNIT +
touchscreen_last_touch()))
return "t";
#endif
return NULL;
case WPS_TOKEN_SETTING:
{
if (intval)
{
/* Handle contionals */
const struct settings_list *s = settings+token->value.i;
switch (s->flags&F_T_MASK)
{
case F_T_INT:
case F_T_UINT:
if (s->flags&F_RGB)
/* %?St|name|<#000000|#000001|...|#FFFFFF> */
/* shouldn't overflow since colors are stored
* on 16 bits ...
* but this is pretty useless anyway */
*intval = *(int*)s->setting + 1;
else if (s->cfg_vals == NULL)
/* %?St|name|<1st choice|2nd choice|...> */
*intval = (*(int*)s->setting-s->int_setting->min)
/s->int_setting->step + 1;
else
/* %?St|name|<1st choice|2nd choice|...> */
/* Not sure about this one. cfg_name/vals are
* indexed from 0 right? */
*intval = *(int*)s->setting + 1;
break;
case F_T_BOOL:
/* %?St|name|<if true|if false> */
*intval = *(bool*)s->setting?1:2;
break;
case F_T_CHARPTR:
/* %?St|name|<if non empty string|if empty>
* The string's emptyness discards the setting's
* prefix and suffix */
*intval = ((char*)s->setting)[0]?1:2;
break;
default:
/* This shouldn't happen ... but you never know */
*intval = -1;
break;
}
}
cfg_to_string(token->value.i,buf,buf_size);
return buf;
}
default:
return NULL;
}
}
/* Return the index to the end token for the conditional token at index.
The conditional token can be either a start token or a separator
(i.e. option) token.
*/
static int find_conditional_end(struct wps_data *data, int index)
{
int ret = index;
while (data->tokens[ret].type != WPS_TOKEN_CONDITIONAL_END)
ret = data->tokens[ret].value.i;
/* ret now is the index to the end token for the conditional. */
return ret;
}
/* Evaluate the conditional that is at *token_index and return whether a skip
has ocurred. *token_index is updated with the new position.
*/
static bool evaluate_conditional(struct gui_wps *gwps, int *token_index)
{
if (!gwps)
return false;
struct wps_data *data = gwps->data;
int i, cond_end;
int cond_index = *token_index;
char result[128];
const char *value;
unsigned char num_options = data->tokens[cond_index].value.i & 0xFF;
unsigned char prev_val = (data->tokens[cond_index].value.i & 0xFF00) >> 8;
/* treat ?xx<true> constructs as if they had 2 options. */
if (num_options < 2)
num_options = 2;
int intval = num_options;
/* get_token_value needs to know the number of options in the enum */
value = get_token_value(gwps, &data->tokens[cond_index + 1],
result, sizeof(result), &intval);
/* intval is now the number of the enum option we want to read,
starting from 1. If intval is -1, we check if value is empty. */
if (intval == -1)
intval = (value && *value) ? 1 : num_options;
else if (intval > num_options || intval < 1)
intval = num_options;
data->tokens[cond_index].value.i = (intval << 8) + num_options;
/* skip to the appropriate enum case */
int next = cond_index + 2;
for (i = 1; i < intval; i++)
{
next = data->tokens[next].value.i;
}
*token_index = next;
if (prev_val == intval)
{
/* Same conditional case as previously. Return without clearing the
pictures */
return false;
}
cond_end = find_conditional_end(data, cond_index + 2);
for (i = cond_index + 3; i < cond_end; i++)
{
#ifdef HAVE_LCD_BITMAP
/* clear all pictures in the conditional and nested ones */
if (data->tokens[i].type == WPS_TOKEN_IMAGE_PRELOAD_DISPLAY)
clear_image_pos(gwps, data->tokens[i].value.i & 0xFF);
#endif
#ifdef HAVE_ALBUMART
if (data->tokens[i].type == WPS_TOKEN_ALBUMART_DISPLAY)
draw_album_art(gwps, audio_current_aa_hid(), true);
#endif
}
return true;
}
/* Read a (sub)line to the given alignment format buffer.
linebuf is the buffer where the data is actually stored.
align is the alignment format that'll be used to display the text.
The return value indicates whether the line needs to be updated.
*/
static bool get_line(struct gui_wps *gwps,
int line, int subline,
struct align_pos *align,
char *linebuf,
int linebuf_size)
{
struct wps_data *data = gwps->data;
char temp_buf[128];
char *buf = linebuf; /* will always point to the writing position */
char *linebuf_end = linebuf + linebuf_size - 1;
int i, last_token_idx;
bool update = false;
/* alignment-related variables */
int cur_align;
char* cur_align_start;
cur_align_start = buf;
cur_align = WPS_ALIGN_LEFT;
align->left = NULL;
align->center = NULL;
align->right = NULL;
/* Process all tokens of the desired subline */
last_token_idx = wps_last_token_index(data, line, subline);
for (i = wps_first_token_index(data, line, subline);
i <= last_token_idx; i++)
{
switch(data->tokens[i].type)
{
case WPS_TOKEN_CONDITIONAL:
/* place ourselves in the right conditional case */
update |= evaluate_conditional(gwps, &i);
break;
case WPS_TOKEN_CONDITIONAL_OPTION:
/* we've finished in the curent conditional case,
skip to the end of the conditional structure */
i = find_conditional_end(data, i);
break;
#ifdef HAVE_LCD_BITMAP
case WPS_TOKEN_IMAGE_PRELOAD_DISPLAY:
{
struct gui_img *img = data->img;
int n = data->tokens[i].value.i & 0xFF;
int subimage = data->tokens[i].value.i >> 8;
if (n >= 0 && n < MAX_IMAGES && img[n].loaded)
img[n].display = subimage;
break;
}
#endif
case WPS_TOKEN_ALIGN_LEFT:
case WPS_TOKEN_ALIGN_CENTER:
case WPS_TOKEN_ALIGN_RIGHT:
/* remember where the current aligned text started */
switch (cur_align)
{
case WPS_ALIGN_LEFT:
align->left = cur_align_start;
break;
case WPS_ALIGN_CENTER:
align->center = cur_align_start;
break;
case WPS_ALIGN_RIGHT:
align->right = cur_align_start;
break;
}
/* start a new alignment */
switch (data->tokens[i].type)
{
case WPS_TOKEN_ALIGN_LEFT:
cur_align = WPS_ALIGN_LEFT;
break;
case WPS_TOKEN_ALIGN_CENTER:
cur_align = WPS_ALIGN_CENTER;
break;
case WPS_TOKEN_ALIGN_RIGHT:
cur_align = WPS_ALIGN_RIGHT;
break;
default:
break;
}
*buf++ = 0;
cur_align_start = buf;
break;
case WPS_VIEWPORT_ENABLE:
{
char label = data->tokens[i].value.i;
int j;
char temp = VP_DRAW_HIDEABLE;
for(j=0;j<data->num_viewports;j++)
{
temp = VP_DRAW_HIDEABLE;
if ((data->viewports[j].hidden_flags&VP_DRAW_HIDEABLE) &&
(data->viewports[j].label == label))
{
if (data->viewports[j].hidden_flags&VP_DRAW_WASHIDDEN)
temp |= VP_DRAW_WASHIDDEN;
data->viewports[j].hidden_flags = temp;
}
}
}
break;
default:
{
/* get the value of the tag and copy it to the buffer */
const char *value = get_token_value(gwps, &data->tokens[i],
temp_buf, sizeof(temp_buf), NULL);
if (value)
{
update = true;
while (*value && (buf < linebuf_end))
*buf++ = *value++;
}
break;
}
}
}
/* close the current alignment */
switch (cur_align)
{
case WPS_ALIGN_LEFT:
align->left = cur_align_start;
break;
case WPS_ALIGN_CENTER:
align->center = cur_align_start;
break;
case WPS_ALIGN_RIGHT:
align->right = cur_align_start;
break;
}
return update;
}
static void get_subline_timeout(struct gui_wps *gwps, int line, int subline)
{
struct wps_data *data = gwps->data;
int i;
int subline_idx = wps_subline_index(data, line, subline);
int last_token_idx = wps_last_token_index(data, line, subline);
data->sublines[subline_idx].time_mult = DEFAULT_SUBLINE_TIME_MULTIPLIER;
for (i = wps_first_token_index(data, line, subline);
i <= last_token_idx; i++)
{
switch(data->tokens[i].type)
{
case WPS_TOKEN_CONDITIONAL:
/* place ourselves in the right conditional case */
evaluate_conditional(gwps, &i);
break;
case WPS_TOKEN_CONDITIONAL_OPTION:
/* we've finished in the curent conditional case,
skip to the end of the conditional structure */
i = find_conditional_end(data, i);
break;
case WPS_TOKEN_SUBLINE_TIMEOUT:
data->sublines[subline_idx].time_mult = data->tokens[i].value.i;
break;
default:
break;
}
}
}
/* Calculates which subline should be displayed for the specified line
Returns true iff the subline must be refreshed */
static bool update_curr_subline(struct gui_wps *gwps, int line)
{
struct wps_data *data = gwps->data;
int search, search_start, num_sublines;
bool reset_subline;
bool new_subline_refresh;
bool only_one_subline;
num_sublines = data->lines[line].num_sublines;
reset_subline = (data->lines[line].curr_subline == SUBLINE_RESET);
new_subline_refresh = false;
only_one_subline = false;
/* if time to advance to next sub-line */
if (TIME_AFTER(current_tick, data->lines[line].subline_expire_time - 1) ||
reset_subline)
{
/* search all sublines until the next subline with time > 0
is found or we get back to the subline we started with */
if (reset_subline)
search_start = 0;
else
search_start = data->lines[line].curr_subline;
for (search = 0; search < num_sublines; search++)
{
data->lines[line].curr_subline++;
/* wrap around if beyond last defined subline or WPS_MAX_SUBLINES */
if (data->lines[line].curr_subline == num_sublines)
{
if (data->lines[line].curr_subline == 1)
only_one_subline = true;
data->lines[line].curr_subline = 0;
}
/* if back where we started after search or
only one subline is defined on the line */
if (((search > 0) &&
(data->lines[line].curr_subline == search_start)) ||
only_one_subline)
{
/* no other subline with a time > 0 exists */
data->lines[line].subline_expire_time = (reset_subline ?
current_tick :
data->lines[line].subline_expire_time) + 100 * HZ;
break;
}
else
{
/* get initial time multiplier for this subline */
get_subline_timeout(gwps, line, data->lines[line].curr_subline);
int subline_idx = wps_subline_index(data, line,
data->lines[line].curr_subline);
/* only use this subline if subline time > 0 */
if (data->sublines[subline_idx].time_mult > 0)
{
new_subline_refresh = true;
data->lines[line].subline_expire_time = (reset_subline ?
current_tick : data->lines[line].subline_expire_time) +
TIMEOUT_UNIT*data->sublines[subline_idx].time_mult;
break;
}
}
}
}
return new_subline_refresh;
}
/* Display a line appropriately according to its alignment format.
format_align contains the text, separated between left, center and right.
line is the index of the line on the screen.
scroll indicates whether the line is a scrolling one or not.
*/
static void write_line(struct screen *display,
struct align_pos *format_align,
int line,
bool scroll)
{
int left_width = 0, left_xpos;
int center_width = 0, center_xpos;
int right_width = 0, right_xpos;
int ypos;
int space_width;
int string_height;
int scroll_width;
/* calculate different string sizes and positions */
display->getstringsize((unsigned char *)" ", &space_width, &string_height);
if (format_align->left != 0) {
display->getstringsize((unsigned char *)format_align->left,
&left_width, &string_height);
}
if (format_align->right != 0) {
display->getstringsize((unsigned char *)format_align->right,
&right_width, &string_height);
}
if (format_align->center != 0) {
display->getstringsize((unsigned char *)format_align->center,
&center_width, &string_height);
}
left_xpos = 0;
right_xpos = (display->getwidth() - right_width);
center_xpos = (display->getwidth() + left_xpos - center_width) / 2;
scroll_width = display->getwidth() - left_xpos;
/* Checks for overlapping strings.
If needed the overlapping strings will be merged, separated by a
space */
/* CASE 1: left and centered string overlap */
/* there is a left string, need to merge left and center */
if ((left_width != 0 && center_width != 0) &&
(left_xpos + left_width + space_width > center_xpos)) {
/* replace the former separator '\0' of left and
center string with a space */
*(--format_align->center) = ' ';
/* calculate the new width and position of the merged string */
left_width = left_width + space_width + center_width;
/* there is no centered string anymore */
center_width = 0;
}
/* there is no left string, move center to left */
if ((left_width == 0 && center_width != 0) &&
(left_xpos + left_width > center_xpos)) {
/* move the center string to the left string */
format_align->left = format_align->center;
/* calculate the new width and position of the string */
left_width = center_width;
/* there is no centered string anymore */
center_width = 0;
}
/* CASE 2: centered and right string overlap */
/* there is a right string, need to merge center and right */
if ((center_width != 0 && right_width != 0) &&
(center_xpos + center_width + space_width > right_xpos)) {
/* replace the former separator '\0' of center and
right string with a space */
*(--format_align->right) = ' ';
/* move the center string to the right after merge */
format_align->right = format_align->center;
/* calculate the new width and position of the merged string */
right_width = center_width + space_width + right_width;
right_xpos = (display->getwidth() - right_width);
/* there is no centered string anymore */
center_width = 0;
}
/* there is no right string, move center to right */
if ((center_width != 0 && right_width == 0) &&
(center_xpos + center_width > right_xpos)) {
/* move the center string to the right string */
format_align->right = format_align->center;
/* calculate the new width and position of the string */
right_width = center_width;
right_xpos = (display->getwidth() - right_width);
/* there is no centered string anymore */
center_width = 0;
}
/* CASE 3: left and right overlap
There is no center string anymore, either there never
was one or it has been merged in case 1 or 2 */
/* there is a left string, need to merge left and right */
if ((left_width != 0 && center_width == 0 && right_width != 0) &&
(left_xpos + left_width + space_width > right_xpos)) {
/* replace the former separator '\0' of left and
right string with a space */
*(--format_align->right) = ' ';
/* calculate the new width and position of the string */
left_width = left_width + space_width + right_width;
/* there is no right string anymore */
right_width = 0;
}
/* there is no left string, move right to left */
if ((left_width == 0 && center_width == 0 && right_width != 0) &&
(left_width > right_xpos)) {
/* move the right string to the left string */
format_align->left = format_align->right;
/* calculate the new width and position of the string */
left_width = right_width;
/* there is no right string anymore */
right_width = 0;
}
ypos = (line * string_height);
if (scroll && ((left_width > scroll_width) ||
(center_width > scroll_width) ||
(right_width > scroll_width)))
{
display->puts_scroll(0, line,
(unsigned char *)format_align->left);
}
else
{
#ifdef HAVE_LCD_BITMAP
/* clear the line first */
display->set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
display->fillrect(left_xpos, ypos, display->getwidth(), string_height);
display->set_drawmode(DRMODE_SOLID);
#endif
/* Nasty hack: we output an empty scrolling string,
which will reset the scroller for that line */
display->puts_scroll(0, line, (unsigned char *)"");
/* print aligned strings */
if (left_width != 0)
{
display->putsxy(left_xpos, ypos,
(unsigned char *)format_align->left);
}
if (center_width != 0)
{
display->putsxy(center_xpos, ypos,
(unsigned char *)format_align->center);
}
if (right_width != 0)
{
display->putsxy(right_xpos, ypos,
(unsigned char *)format_align->right);
}
}
}
bool gui_wps_redraw(struct gui_wps *gwps,
int ffwd_offset,
unsigned refresh_mode)
{
struct wps_data *data = gwps->data;
struct screen *display = gwps->display;
struct wps_state *state = gwps->state;
if (!data || !state || !display)
return false;
struct mp3entry *id3 = state->id3;
if (!id3)
return false;
int v, line, i, subline_idx;
unsigned flags;
char linebuf[MAX_PATH];
struct align_pos align;
align.left = NULL;
align.center = NULL;
align.right = NULL;
bool update_line, new_subline_refresh;
#ifdef HAVE_LCD_BITMAP
/* to find out wether the peak meter is enabled we
assume it wasn't until we find a line that contains
the peak meter. We can't use peak_meter_enabled itself
because that would mean to turn off the meter thread
temporarily. (That shouldn't matter unless yield
or sleep is called but who knows...)
*/
bool enable_pm = false;
#endif
/* reset to first subline if refresh all flag is set */
if (refresh_mode == WPS_REFRESH_ALL)
{
display->set_viewport(&data->viewports[0].vp);
display->clear_viewport();
for (i = 0; i <= data->num_lines; i++)
{
data->lines[i].curr_subline = SUBLINE_RESET;
}
}
#ifdef HAVE_LCD_CHARCELLS
for (i = 0; i < 8; i++)
{
if (data->wps_progress_pat[i] == 0)
data->wps_progress_pat[i] = display->get_locked_pattern();
}
#endif
state->ff_rewind_count = ffwd_offset;
/* disable any viewports which are conditionally displayed */
for (v = 0; v < data->num_viewports; v++)
{
if (data->viewports[v].hidden_flags&VP_DRAW_HIDEABLE)
{
if (data->viewports[v].hidden_flags&VP_DRAW_HIDDEN)
data->viewports[v].hidden_flags |= VP_DRAW_WASHIDDEN;
else
data->viewports[v].hidden_flags |= VP_DRAW_HIDDEN;
}
}
for (v = 0; v < data->num_viewports; v++)
{
struct wps_viewport *wps_vp = &(data->viewports[v]);
unsigned vp_refresh_mode = refresh_mode;
display->set_viewport(&wps_vp->vp);
#ifdef HAVE_LCD_BITMAP
/* Set images to not to be displayed */
for (i = 0; i < MAX_IMAGES; i++)
{
data->img[i].display = -1;
}
#endif
/* dont redraw the viewport if its disabled */
if ((wps_vp->hidden_flags&VP_DRAW_HIDDEN))
{
if (!(wps_vp->hidden_flags&VP_DRAW_WASHIDDEN))
display->scroll_stop(&wps_vp->vp);
wps_vp->hidden_flags |= VP_DRAW_WASHIDDEN;
continue;
}
else if (((wps_vp->hidden_flags&
(VP_DRAW_WASHIDDEN|VP_DRAW_HIDEABLE))
== (VP_DRAW_WASHIDDEN|VP_DRAW_HIDEABLE)))
{
vp_refresh_mode = WPS_REFRESH_ALL;
wps_vp->hidden_flags = VP_DRAW_HIDEABLE;
}
if (vp_refresh_mode == WPS_REFRESH_ALL)
{
display->clear_viewport();
}
for (line = wps_vp->first_line;
line <= wps_vp->last_line; line++)
{
memset(linebuf, 0, sizeof(linebuf));
update_line = false;
/* get current subline for the line */
new_subline_refresh = update_curr_subline(gwps, line);
subline_idx = wps_subline_index(data, line,
data->lines[line].curr_subline);
flags = data->sublines[subline_idx].line_type;
if (vp_refresh_mode == WPS_REFRESH_ALL || (flags & vp_refresh_mode)
|| new_subline_refresh)
{
/* get_line tells us if we need to update the line */
update_line = get_line(gwps, line, data->lines[line].curr_subline,
&align, linebuf, sizeof(linebuf));
}
#ifdef HAVE_LCD_BITMAP
/* peakmeter */
if (flags & vp_refresh_mode & WPS_REFRESH_PEAK_METER)
{
/* the peakmeter should be alone on its line */
update_line = false;
int h = font_get(wps_vp->vp.font)->height;
int peak_meter_y = (line - wps_vp->first_line)* h;
/* The user might decide to have the peak meter in the last
line so that it is only displayed if no status bar is
visible. If so we neither want do draw nor enable the
peak meter. */
if (peak_meter_y + h <= display->getheight()) {
/* found a line with a peak meter -> remember that we must
enable it later */
enable_pm = true;
peak_meter_enabled = true;
peak_meter_screen(gwps->display, 0, peak_meter_y,
MIN(h, display->getheight() - peak_meter_y));
}
else
{
peak_meter_enabled = false;
}
}
#else /* HAVE_LCD_CHARCELL */
/* progressbar */
if (flags & vp_refresh_mode & WPS_REFRESH_PLAYER_PROGRESS)
{
if (data->full_line_progressbar)
draw_player_fullbar(gwps, linebuf, sizeof(linebuf));
else
draw_player_progress(gwps);
}
#endif
if (update_line &&
/* conditionals clear the line which means if the %Vd is put into the default
viewport there will be a blank line.
To get around this we dont allow any actual drawing to happen in the
deault vp if other vp's are defined */
((data->num_viewports>1 && v!=0) || data->num_viewports == 1))
{
if (flags & WPS_REFRESH_SCROLL)
{
/* if the line is a scrolling one we don't want to update
too often, so that it has the time to scroll */
if ((vp_refresh_mode & WPS_REFRESH_SCROLL) || new_subline_refresh)
write_line(display, &align, line - wps_vp->first_line, true);
}
else
write_line(display, &align, line - wps_vp->first_line, false);
}
}
#ifdef HAVE_LCD_BITMAP
/* progressbar */
if (vp_refresh_mode & WPS_REFRESH_PLAYER_PROGRESS)
{
if (wps_vp->pb)
{
draw_progressbar(gwps, wps_vp);
}
}
/* Now display any images in this viewport */
wps_display_images(gwps, &wps_vp->vp);
#endif
}
#ifdef HAVE_LCD_BITMAP
data->peak_meter_enabled = enable_pm;
#endif
if (refresh_mode & WPS_REFRESH_STATUSBAR)
{
gwps_draw_statusbars();
}
/* Restore the default viewport */
display->set_viewport(NULL);
display->update();
return true;
}
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